Home / 91,837.17-137,739.61-25,261.24

Finding the Fourth Proportional to 91,837.17, 137,739.61 and 25,261.24

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Solution

The fourth proportional to 91,837.17, 137,739.61 and 25,261.24 is: 37,887.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,837.17 : 137,739.61 = 25,261.24 : x
  2. Step 2: Convert to fraction form
    91,837.17/137,739.61 = 25,261.24/x
  3. Step 3: Cross multiply
    91,837.17x = 137,739.61 × 25,261.24
  4. Step 4: Simplify right side
    91,837.17x = 3,479,473,345.72
  5. Step 5: Solve for x
    x = 3,479,473,345.72/91,837.17
  6. Step 6: Final answer
    x = 37,887.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.